Instahide: Instance-hiding schemes for private distributed learning

Y Huang, Z Song, K Li, S Arora - International conference on …, 2020 - proceedings.mlr.press
How can multiple distributed entities train a shared deep net on their private data while
protecting data privacy? This paper introduces InstaHide, a simple encryption of training …

Sketching as a tool for numerical linear algebra

DP Woodruff - … and Trends® in Theoretical Computer Science, 2014 - nowpublishers.com
This survey highlights the recent advances in algorithms for numerical linear algebra that
have come from the technique of linear sketching, whereby given a matrix, one first …

Bipartite matching in nearly-linear time on moderately dense graphs

J van den Brand, YT Lee, D Nanongkai… - 2020 IEEE 61st …, 2020 - ieeexplore.ieee.org
We present an ̃O(m+n^1.5)-time randomized algorithm for maximum cardinality bipartite
matching and related problems (eg transshipment, negative-weight shortest paths, and …

Faster dynamic matrix inverse for faster lps

S Jiang, Z Song, O Weinstein, H Zhang - arXiv preprint arXiv:2004.07470, 2020 - arxiv.org
Motivated by recent Linear Programming solvers, we design dynamic data structures for
maintaining the inverse of an $ n\times n $ real matrix under $\textit {low-rank} $ updates …

Nearly optimal sparse Fourier transform

H Hassanieh, P Indyk, D Katabi, E Price - … of the forty-fourth annual ACM …, 2012 - dl.acm.org
We consider the problem of computing the k-sparse approximation to the discrete Fourier
transform of an n-dimensional signal. We show: An O (k log n)-time randomized algorithm for …

Sparse recovery using sparse matrices

A Gilbert, P Indyk - Proceedings of the IEEE, 2010 - ieeexplore.ieee.org
In this paper, we survey algorithms for sparse recovery problems that are based on sparse
random matrices. Such matrices has several attractive properties: they support algorithms …

Solving tall dense linear programs in nearly linear time

J van den Brand, YT Lee, A Sidford… - Proceedings of the 52nd …, 2020 - dl.acm.org
In this paper we provide an O (nd+ d 3) time randomized algorithm for solving linear
programs with d variables and n constraints with high probability. To obtain this result we …

[图书][B] Automata, Languages, and Programming: 40th International Colloquium, ICALP 2013, Riga, Latvia, July 8-12, 2013, Proceedings, Part I

FV Fomin, R Freivalds, M Kwiatkowska, D Peleg - 2013 - books.google.com
This two-volume set of LNCS 7965 and LNCS 7966 constitutes the refereed proceedings of
the 40th International Colloquium on Automata, Languages and Programming, ICALP 2013 …

A faster algorithm for solving general lps

S Jiang, Z Song, O Weinstein, H Zhang - Proceedings of the 53rd Annual …, 2021 - dl.acm.org
The fastest known LP solver for general (dense) linear programs is due to [Cohen, Lee and
Song'19] and runs in O*(n ω+ n 2.5− α/2+ n 2+ 1/6) time. A number of follow-up works [Lee …

Single pass spectral sparsification in dynamic streams

M Kapralov, YT Lee, CN Musco, CP Musco… - SIAM Journal on …, 2017 - SIAM
We present the first single pass algorithm for computing spectral sparsifiers for graphs in the
dynamic semi-streaming model. Given a single pass over a stream containing insertions and …